Description

Cylinder Head Stud Kit – Patriot Series – 12 Point Nuts – Chromoly – Black Oxide – GM LS-Series – Kit



Frequently Asked Questions​

As an Authorized Automotive Retailer in the United States, we take pride in guaranteeing 100% authentic products from all brands available on our website. With partnerships spanning 1,000+ brands and a network of 20+ distributor warehouses nationwide, we maintain millions of auto parts in inventory across the USA, ensuring quick shipping and reliable service to our customers. When you shop with us, you're investing in quality and trust.
We believe we have the fastest backorder system in the U.S. auto parts industry, thanks to our strong partnerships with brands and vendors. Nearly all backordered auto parts are shipped directly by the vendors without any additional delays, or they are placed as special orders on the same day. In most cases, backordered parts are delivered within 5-10 days.
We offer unbeatable prices and the best shipping rates on auto parts, with exclusive protection and insurance included to safeguard your order from damage or loss. Enjoy convenient door-to-door delivery, real-time tracking, and our 100% satisfaction guarantee for a smooth, worry-free experience.
Our standard shipping typically takes 1-3 business days. We will provide estimated shipping time for each product. While we aim to deliver as quickly as possible, this timeframe ensures all orders are processed, prepared, and dispatched with care. If the products are not ready for shipping in 72 hours, we will refund you 100%
Absolutely. Once your order is dispatched, you’ll receive an email with tracking details, so you can follow your shipment every step of the way. Every step of shipping process will be sent through email notifications or using tracking page.
Every product page includes a stock level indicator to show what’s available. We always update the inventory 24/24. We’ll be happy to check availability and provide updates on new stock arrivals if you need a help.
We’re sorry to hear that your order wasn’t delivered in perfect condition. Please email us with your order number, a description of the issue, and photographs of the damaged item. Once we receive this information, we’ll arrange for a replacement or refund and handle the return process.
You can return items within 30 days of receipt. Ensure the product is new in its original packaging and securely wrapped for safe transit. Once we receive the item in sellable condition, we’ll issue a full refund for the product value. Contact us for the return address and further instructions.

About OPTITORQUE TECHNOLOGIES LLC

OptiTorque produces premium quality fasteners for a wide range of automotive applications. From stock rebuilds to hard-core racing builds, OptiTorque fasteners are USA made and designed, featuring premium materials and designed to meet or exceed OEM specs.

International Shipping

Below are estimated rates and delivery times for popular destinations; full carrier options are available at checkout.

Our dedicated team has years of experience managing international logistics and customs documentation to ensure smooth delivery from our US warehouse to your door. Please review our shipping policy and local import regulations before ordering.

Loading international estimates...

Reviews

There are no reviews yet.

Be the first to review “OPTITORQUE TECHNOLOGIES LLC GM LSX Head Stud Kit 10581”

Your email address will not be published. Required fields are marked *

Recently viewed products

  • Add to wishlist
    Sale
    Placeholder
    Add to wishlist

    PROFORM Tapered Spring Compressor 67449

    SKU: PFM67449
    Product information
    • Weight0.57 lbs
    • Dimensions9.3 × 6.25 × 2.5 in
    • Style

      Tapered

    • Intended Bore

      4.04 in

    • Material

      Aluminum

    • Color

      Red

    • Finish

      Anodized

    Details...
    Original price was: $38.15.Current price is: $34.68.Add to cart
    Original price was: $38.15.Current price is: $34.68.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    NITROUS EXPRESS Nitrous Universal Burst Plate 15462

    SKU: NXS15462
    Product information
    • Weight0.35 lbs
    • Dimensions4.8 × 4.4 × 3.4 in
    • Quantity

      Each

    • Material

      Aluminum

    • Color

      Black

    • Finish

      Anodized

    • Shape

      Square

    Details...
    Original price was: $130.33.Current price is: $113.33.Add to cart
    Original price was: $130.33.Current price is: $113.33.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    LOKAR Billet Rectangular Shift Boot Ring 6.75 In X 5.25 70-BFR

    SKU: LOK70-BFR
    Product information
    • Weight0.4 lbs
    • Dimensions11.7 × 8.7 × 0.45 in
    • Hardware Included

      Yes

    • Quantity

      Each

    • Mounting Location

      Floor

    • Mount Type

      Bolt-On

    • Ring Included

      Yes

    Details...
    Original price was: $73.65.Current price is: $66.95.Add to cart
    Original price was: $73.65.Current price is: $66.95.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SEALED POWER Cast Piston Ring Set E251X40

    SKU: SEAE251X40
    Product information
    • Weight1.1 lbs
    • Dimensions5 × 5 × 3.25 in
    • Quantity

      Kit

    • Variant

      Yes

    • Variant Group

      Piston Rings156

    • Variant Column

      Bore (standard)

    • Product Line

      Economy

    Details...
    Original price was: $30.92.Current price is: $28.11.Add to cart
    Original price was: $30.92.Current price is: $28.11.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOWE Pitman Arm Chevelle 2345

    SKU: HOW2345
    Product information
    • Weight1.54 lbs
    • Dimensions7.6 × 2.25 × 1.1 in
    • Quantity

      Each

    • Material

      Steel

    • Color

      Black

    • Finish

      Natural

    • Overall Length

      6-11/16 in

    Details...
    Original price was: $102.61.Current price is: $93.28.Add to cart
    Original price was: $102.61.Current price is: $93.28.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WEATHERTECH Front FloorLiner 4416171

    SKU: WEA4416171
    Product information
    • Weight6.03 lbs
    • Dimensions30.5 × 25.5 × 5 in
    • Product Line

      FloorLiner

    • Application Specific

      Yes

    • First Row Included

      Yes

    • First Row 1 / 2 Piece

      2 Piece

    • Textured

      Yes

    Details...
    Original price was: $150.00.Current price is: $135.95.Add to cart
    Original price was: $150.00.Current price is: $135.95.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WEATHERTECH Front FloorLiner 4416491

    SKU: WEA4416491
    Product information
    • Weight6.83 lbs
    • Dimensions38 × 30 × 5 in
    • Product Line

      FloorLiner

    • Application Specific

      Yes

    • First Row Included

      Yes

    • First Row 1 / 2 Piece

      2 Piece

    • Textured

      Yes

    Details...
    Original price was: $158.00.Current price is: $142.95.Add to cart
    Original price was: $158.00.Current price is: $142.95.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WHITELINE PERFORMANCE Spring Insulator Bushing Universal W73479

    SKU: WHIW73479
    Product information
    • Weight0.465 lbs
    • Dimensions7.95 × 6.1 × 2 in
    • Front / Rear

      Front, Rear

    • Inside Diameter

      2.75 in

    • Outside Diameter

      4.625 in

    • Material

      Polyurethane

    • Color

      Black

    Details...
    Original price was: $23.86.Current price is: $19.88.Add to cart
    Original price was: $23.86.Current price is: $19.88.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WINTERS Dust Cap O-Ring 7417

    SKU: WIN7417
    Product information
    • Weight0.015 lbs
    • Dimensions2.95 × 2.85 × 0.3 in
    • Material

      Rubber

    • Color

      Black

    • Quantity

      Each

    • Intended Use

      Dust Cap

    • Round / Square

      Round

    Details...
    Original price was: $3.04.Current price is: $2.76.Add to cart
    Original price was: $3.04.Current price is: $2.76.
    Quantity Only 8 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WINTERS Quick Change Gears 8524

    SKU: WIN8524
    Product information
    • Weight6.665 lbs
    • Dimensions8.95 × 5.15 × 2 in
    • Spline

      10.0

    • Set Number

      24

    • Gear 1 Tooth Count

      20.0

    • Gear 2 Tooth Count

      29.0

    • 4:12 Ring And Pinion Low Ratio

      2.84

    Details...
    Original price was: $128.16.Current price is: $116.51.Add to cart
    Original price was: $128.16.Current price is: $116.51.Add to wishlist

    41